Aircraft



FIG. 1 is a perspective view of the aircraft;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view, the right side being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of portions of the aircraft depict environment and forms no part of the claim. 

CLAIM The ornamental design for an aircraft, as shown and described. 